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Were there any earthquakes before the eyjafjallajokull eruption?
Yes, there were several earthquakes leading up to the Eyjafjallajökull eruption in 2010. These earthquakes were caused by the movement of magma beneath the volcano, which eventually led to the eruption.
When a population undergoes strong selection what happens to it?
When a population undergoes strong selection, individuals with advantageous traits are more likely to survive and reproduce, leading to an increase in the frequency of those traits within the population. This can result in rapid evolutionary changes as the population adapts to its environment.
When was the most famous eruption of Mt Hibok-Hibok?
The most famous eruption of Mount Hibok-Hibok occurred in 1951. This eruption had significant impacts on the surrounding areas, leading to loss of life and property damage.
What are the differences between directional selection and disruptive selection in the process of natural selection?
Directional selection occurs when individuals at one extreme of a trait have a higher fitness, leading to a shift in the population towards that extreme. Disruptive selection occurs when individuals at both extremes of a trait have higher fitness, leading to the population splitting into two distinct groups.
What are the sequence of events leading to a volcanic eruption-?
During a volcanic eruption, magma moves in an upward direction towards the vent of a volcano. The type of eruption depends on the amount of silica and gas. After the eruption, magma touches the earth's surface and is classified as lava. Rocks and other debris in the volcano are forcefully pushed into the air. The rocks are called pyroclastic rocks. When the rocks touch earth, it turns into ash, dust, pummice or cinder.
What are some the danger signs that the Pompeii should have recognized?
The earthquakes in the hours leading up to the eruption.
What type of eruption was the 1815 Tambora eruption?
The 1815 Tambora eruption was a Plinian eruption, one of the most powerful types of volcanic eruptions. It released a massive amount of ash, gases, and pyroclastic flows, leading to significant global climate impacts.
The graphs of the 3 types of selection and label the average and the extremes?
In stabilizing selection, the average phenotype is favored, leading to a reduction in extreme phenotypes. In directional selection, one extreme phenotype is favored, causing a shift in the average towards that extreme. In disruptive selection, both extreme phenotypes are favored over the average, leading to a bimodal distribution in the population.
What is the total cost of damage in eruption of grimsvotn?
The total cost of damage in the eruption of Grimsvotn in 2011 was estimated to be around $55 million. The eruption caused disruption to air travel in Europe due to the ash cloud, leading to flight cancellations and economic losses.
What type of selection produces a distribution of phenotypes opposite to that produced by stabilizing selection?
Disruptive selection produces a distribution of phenotypes that is opposite to that of stabilizing selection. While stabilizing selection favors intermediate phenotypes and reduces variation, disruptive selection favors extreme phenotypes at both ends of the spectrum, leading to increased variation within a population. This can result in the emergence of two distinct phenotypic groups, potentially leading to speciation over time.
According to Darwin what was central to organic evolution?
According to Darwin, natural selection was central to organic evolution. This process involves the differential survival and reproduction of individuals due to differences in traits that influence their ability to survive and reproduce in a given environment. Over time, this results in the accumulation of traits that are better suited to the environment, leading to evolutionary change in populations.
Why did the eruption of eyjafjallajokull happen?
The eruption of Eyjafjallajökull in 2010 was caused by the interaction of magma with water beneath the glacier covering the volcano. The water turned into steam, leading to a powerful explosive eruption that ejected ash into the atmosphere, disrupting air travel across Europe.
